84320443 has 2 divisors, whose sum is σ = 84320444. Its totient is φ = 84320442.

The previous prime is 84320437. The next prime is 84320501. The reversal of 84320443 is 34402348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84320443 - 2²¹ = 82223291 is a prime.

It is not a weakly prime, because it can be changed into another prime (84323443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42160221 + 42160222.

It is an arithmetic number, because the mean of its divisors is an integer number (42160222).

Almost surely, 2^84320443 is an apocalyptic number.

84320443 is a deficient number, since it is larger than the sum of its proper divisors (1).

84320443 is an equidigital number, since it uses as much as digits as its factorization.

84320443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 84320443 is about 9182.6163482964. The cubic root of 84320443 is about 438.5081066393.

The spelling of 84320443 in words is "eighty-four million, three hundred twenty thousand, four hundred forty-three".